include(CMakeParseArguments)

if(MSVC OR MSYS OR MINGW)
  set(OS_WIN TRUE)
elseif(APPLE)
  set(OS_MAC TRUE)
elseif(UNIX)
  set(OS_LINUX TRUE)
else()
  message(FATAL_ERROR "Unsupported OS.")
endif()

# set_outdir(ARCHIVE_OUTPUT_DIRECTORY
#            LIBRARY_OUTPUT_DIRECTORY
#            RUNTIME_OUTPUT_DIRECTORY)
macro(set_outdir ARCHIVE_OUTPUT_DIRECTORY LIBRARY_OUTPUT_DIRECTORY RUNTIME_OUTPUT_DIRECTORY)
  set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${ARCHIVE_OUTPUT_DIRECTORY})
  set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LIBRARY_OUTPUT_DIRECTORY})
  set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${RUNTIME_OUTPUT_DIRECTORY})
  foreach(CONFIG ${CMAKE_CONFIGURATION_TYPES})
    string(TOUPPER ${CONFIG} CONFIG)
    set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY_${CONFIG} ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY})
    set(CMAKE_LIBRARY_OUTPUT_DIRECTORY_${CONFIG} ${CMAKE_LIBRARY_OUTPUT_DIRECTORY})
    set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_${CONFIG} ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
  endforeach()
endmacro()